GeForce GT 640 vs GeForce GTX 480M SLI

When choosing between GeForce GT 640 and GeForce GTX 480M SLI, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 640 and GeForce GTX 480M SLI.

GeForce GTX 480M SLI is a Laptop Graphics Card

Note: GeForce GTX 480M SLI is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GTX 480M SLI here:

Main Specs

  GeForce GT 640 GeForce GTX 480M SLI
Power consumption (TDP) 65 Watt 100 Watt
Interface PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort
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  • GeForce GTX 480M SLI has 53% more power consumption, than GeForce GT 640.
  • GeForce GTX 480M SLI has 2 GB more memory, than GeForce GT 640.
  • GeForce GT 640 is used in Desktops, and GeForce GTX 480M SLI - in Laptops.
  • GeForce GT 640 is build with Kepler architecture, and GeForce GTX 480M SLI - with Fermi.
  • Core clock speed of GeForce GT 640 is 477 MHz higher, than GeForce GTX 480M SLI.
  • GeForce GT 640 is manufactured by 28 nm process technology, and GeForce GTX 480M SLI - by 40 nm process technology.
  • Memory clock speed of GeForce GT 640 is 582 MHz higher, than GeForce GTX 480M SLI.

Game benchmarks

high / 1080p 2−3 16−18
ultra / 1080p 1−2 9−10
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 14−16 30−35
medium / 1080p 5−6 20−22
The average gaming FPS of GeForce GTX 480M SLI in Assassin's Creed Odyssey is 233% more, than GeForce GT 640.

Full Specs

  GeForce GT 640 GeForce GTX 480M SLI
Architecture Kepler Fermi
Code name GK107 N11E-GTX-A3
Type Desktop Laptop
Release date 5 June 2012 25 May 2010
Pipelines 384 704
Core clock speed 902 MHz 425 MHz
Transistor count 1,270 million 6000 Million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 28.86
Floating-point performance 692.7 gflops
Length 145 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1782 MHz 1200 MHz
Memory bandwidth 28.51 GB/s
Shared memory -
DirectX 12 (11_0) DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.1.126
CUDA 3.0
Bitcoin / BTC (SHA256) 24 Mh/s
Laptop size large
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